INOPERATIVE POWER DOOR LOCKS LOCKS WILL FUNCTION MANUALLY. Chevrolet S10 Pickup

REVISION: 03/03/97

THIS BULLETIN IS BEING REVISED TO UPDATE THE APPLICABLE MODELS AND YEARS. PLEASE DISCARD CORPORATE BULLETIN NUMBER 63-10-41 (SECTION 10 - BODY). ---------------------------------------------------------------------- REVISION: 11/17/97

THIS BULLETIN IS BEING REVISED TO ADD THE 1992-97 BUICK/OLDSMOBILE N CAR. PLEASE DISCARD CORPORATE BULLETIN NUMBER 63-10-41A (SECTION 10 - BODY). ----------------------------------------------------------------------

SUBJECT: INOPERATIVE POWER DOOR LOCKS, LOCKS WILL FUNCTION MANUALLY (REPLACE EXTERNAL BUMPER ON ACTUATOR ARM)

MODELS: 1991-96 BUICK PARK AVENUE 1992-97 BUICK LESABRE, SKYLARK 1995-97 BUICK RIVIERA 1997 BUICK REGAL 1992-97 CADILLAC ELDORADO, SEVILLE 1994-97 CADILLAC DEVILLE, CONCOURS 1995-97 CHEVROLET LUMINA 1994-97 CHEVROLET CAMARO 1995-97 CHEVROLET MONTE CARLO 1997 CHEVROLET MALIBU, VENTURE 1991-96 OLDSMOBILE NINETY EIGHT 1992-97 OLDSMOBILE ACHIEVA, EIGHTY EIGHT, LSS 1995-97 OLDSMOBILE AURORA 1997 OLDSMOBILE CUTLASS, REGENCY, SILHOUETTE 1992-97 PONTIAC BONNEVILLE, GRAND AM 1994-97 PONTIAC FIREBIRD 1997 PONTIAC GRAND PRIX, TRANS SPORT

1996-97 CHEVROLET AND GMC G MODELS 1996-97 CHEVROLET AND GMC S/T MODELS 1996-97 OLDSMOBILE BRAVADA

CONDITION:

SOME OWNERS MAY COMMENT ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS). DOOR LOCKS WILL STILL OPERATE MANUALLY.

CAUSE:

CONDITION MAY BE CAUSED BY RIPPING OF THE EXTERNAL BUMPER WHICH ALLOWS THE ACTUATOR ARM TO DISENGAGE.

CORRECTION:

REPLACE EXTERNAL BUMPER ON ACTUATOR ARM.

IMPORTANT: ON AURORA AND RIVIERA FRONT DOOR LATCHES WITH THEFT DETERRENT, THE LOCK ASSEMBLY MUST BE REPLACED. DO NOT USE THE INSTRUCTIONS BELOW.

NUMBERS IN PARENTHESIS BELOW REFER TO CALLOUTS IN ILLUSTRATION.

1. REMOVE THE DOOR LATCH ASSEMBLY. REFER TO SECTION 10 IN THE SERVICE MANUAL.

2. SEPARATE THE ACTUATOR FROM THE LATCH ASSEMBLY BY REMOVING TWO SCREWS (5).

3. REPLACE EXTERNAL BUMPER (3) ON ACTUATOR ARM (2) WITH NEW BUMPER SUPPLIED IN SERVICE KIT.

IMPORTANT:

- THE OLD STYLE BUMPER IS NEUTRAL OR WHITE IN COLOR AND SHOULD BE REPLACED WITH A NEW BLACK BUMPER.

- DO NOT ADD ANY LUBRICANT TO THE BUMPER OR BUMPER AREA.

4. INSTALL THE ACTUATOR TO THE LATCH ASSEMBLY.

IMPORTANT:

- ENSURE THAT THE LOCK SWITCH TEETH (11) ARE PUSHED ALL THE WAY TOWARDS THE ACTUATOR ARM AND THE LATCH IS IN THE FULL OPEN POSITION.

5. REPLACE LOCK ROD CLIPS SUPPLIED IN KIT.

6. REINSTALL LOCK ACTUATOR.

7. INSURE PROPER OPERATION OF LOCKS.

PARTS INFORMATION:

ACTUATOR KIT BUMPER REPAIR P/N 25664043

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION DESCRIPTION LABOR TIME ========== =========== ==========

N3214-15 ACTUATOR ASM. - USE PUBLISHED TIMES REPLACE FRT DOOR

N3224-25 ACTUATOR ASM. - REPLACE RR. DOOR

FIGURES: 01 ATTACHMENTS: 00

FIGURE 1: 1. DOORLOCK/SWITCH ASSEMBLY 2. ACTUATING ARM 3. RUBBER BUMPER 4. LATCH ASSEMBLY 5. SCREW 6. OUTSIDE HANDLE LEVER 7. KEY CYLINDER ROD LEVER 8. LOCKING LEVER 9. FORK BOLT 10. FORK BOLT TEETH 11. SWITCH TEETH 12. ELECTRICAL CONNECTOR 13. ROD ATTACHMENT CLIP

Object Number: 96498 Size: FS

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.